US3202375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-threading tape recording reel
Assignee: Individual
•
Filing: 1964-03-23
•
Granted: 1965-08-24
•
Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Leon W Dinkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:09
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/66; G11B15/67; G11B15/674; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN COMBINATION, A MAGNETIC SOUND RECORDING TAPE OF FERROUS OXIDE MATERIAL, AND A SELF-THREADING TAPE RECORDING REEL, THE LATTER COMPRISING: (A) A REEL HAVING A HUB ON WHICH THE SOUND RECORDING TAPE MAY BE WOUND: (B) A PERMANENT MAGNET BAND SECURED TO THE HUB OF THE REEL; (C) AND A PROTECTIVE SHIELD MOUNTED OVER AND COVERING THE MAGNETIC BAND TO PROTECT IMPRESSIONS ON THE TAPE FOR DISTORTION OF ERASURE BY THE MAGNETIC BAND; (D) THE SHIELD BEING MADE FROM A SUBSTANCE SO THAT THE MAGNETIC FIELD WILL PASS THERETHROUGH TO THUS ATTRACT AND ANCHOR A FREE END OF THE TAPE TO THE HUB, WHEN THIS FREE END IS BROUGHT INTO THE MAGNETIC FIELD, WITH THE TAPE ITSELF AND THE MAGNET BAND CONSTITUTING THE SOLE MEANS FOR ANCHORING THE TAPE TO THE HUB.
Claim 2
Dependent Claim
132 words
IN COMBINATION, A MAGNETIC SOUND RECORDING TAPE OF FERROUS OXIDE MATERIAL, AND A SELF-THREADING TAPE RECORDING REEL, THE LATTER COMPRISING: (A) A REEL HAVING A HUB ON WHICH THE SOUND RECORDING TAPE MAY BE WOUND: (B) A PERMANENT MAGNET BAND SECURED TO THE HUB OF THE REEL; (C) AND A PROTECTIVE SHIELD MOUNTED OVER AND COVERING THE MAGNETIC BAND TO PROTECT IMPRESSIONS ON THE TAPE FOR DISTORTION OF ERASURE BY THE MAGNETIC BAND; (D) THE SHIELD BEING MADE FROM A SUBSTANCE SO THAT THE MAGNETIC FIELD WILL PASS THERETHROUGH TO THUS ATTRACT AND ANCHOR A FREE END OF THE TAPE TO THE HUB, WHEN THIS FREE END IS BROUGHT INTO THE MAGNETIC FIELD, WITH THE TAPE ITSELF AND THE MAGNET BAND CONSTITUTING THE SOLE MEANS FOR ANCHORING THE TAPE TO THE HUB.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |